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Message-ID: <49D12D26.7080203@garzik.org>
Date: Mon, 30 Mar 2009 16:35:50 -0400
From: Jeff Garzik <jeff@garzik.org>
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To: Mark Lord <lkml@rtr.ca>
CC: Michael Tokarev <mjt@tls.msk.ru>, Rik van Riel <riel@redhat.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Ric Wheeler <rwheeler@redhat.com>,
       "Andreas T.Auer" <andreas.t.auer_lkml_73537@ursus.ath.cx>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>, Theodore Tso <tytso@mit.edu>,
       Stefan Richter <stefanr@s5r6.in-berlin.de>,
       Matthew Garrett <mjg59@srcf.ucam.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       David Rees <drees76@gmail.com>, Jesper Krogh <jesper@krogh.cc>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.29
References: <alpine.LFD.2.00.0903271511230.3994@localhost.localdomain> <alpine.LFD.2.00.0903271522210.3994@localhost.localdomain> <49CD7B10.7010601@garzik.org> <49CD891A.7030103@rtr.ca> <49CD9047.4060500@garzik.org> <49CE2633.2000903@s5r6.in-berlin.de> <49CE3186.8090903@garzik.org> <49CE35AE.1080702@s5r6.in-berlin.de> <49CE3F74.6090103@rtr.ca> <20090329231451.GR26138@disturbed> <20090330003948.GA13356@mit.edu> <49D0710A.1030805@ursus.ath.cx> <20090330100546.51907bd2@the-village.bc.nu> <49D0A3D6.4000300@ursus.ath.cx> <49D0AA4A.6020308@redhat.com> <alpine.LFD.2.00.0903300817400.3948@localhost.localdomain> <49D0EF1E.9040806@redhat.com> <alpine.LFD.2.00.0903300922231.3948@localhost.localdomain> <49D0FD4C.1010007@redhat.com> <alpine.LFD.2.00.0903301038100.3948@localhost.localdomain> <49D11BDD.70702@redhat.com> <49D1206E.7090809@garzik.org> <49D129B4.1060503@msgid.tls.msk.ru> <49D12B10.20805@rtr.ca>
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Mark Lord wrote:
> Michael Tokarev wrote:
>>
>> But are there drives out there that actually supports FUA?
> ..
> 
> Most (or all?) current model Hitachi Deskstar drives have it.

Depends on your source of information:  if you judge from probe 
messages, libata_fua==0 will imply !FUA-support.

	Jeff



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